CN1134763C - 改进的合成器和方法 - Google Patents

改进的合成器和方法 Download PDF

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Publication number
CN1134763C
CN1134763C CNB981039391A CN98103939A CN1134763C CN 1134763 C CN1134763 C CN 1134763C CN B981039391 A CNB981039391 A CN B981039391A CN 98103939 A CN98103939 A CN 98103939A CN 1134763 C CN1134763 C CN 1134763C
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CN
China
Prior art keywords
signal
scale
gain
adaptive coding
pumping signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB981039391A
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English (en)
Chinese (zh)
Other versions
CN1186996A (zh
Inventor
仲信彦
赉外明
A·V·麦克格里
E·帕克索
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CN1186996A publication Critical patent/CN1186996A/zh
Application granted granted Critical
Publication of CN1134763C publication Critical patent/CN1134763C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G10L13/04—Details of speech synthesis systems, e.g. synthesiser structure or memory management
    • G10L13/047—Architecture of speech synthesisers
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00—Speech synthesis; Text to speech systems
    • G10L13/02—Methods for producing synthetic speech; Speech synthesisers
    • G10L13/04—Details of speech synthesis systems, e.g. synthesiser structure or memory management
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L2019/0001—Codebooks
    • G10L2019/0003—Backward prediction of gain

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  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
CNB981039391A 1997-01-02 1998-01-04 改进的合成器和方法 Expired - Fee Related CN1134763C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3416997P 1997-01-02 1997-01-02
US60/034,169 1997-01-02

Publications (2)

Publication Number Publication Date
CN1186996A CN1186996A (zh) 1998-07-08
CN1134763C true CN1134763C (zh) 2004-01-14

Family

ID=21874736

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB981039391A Expired - Fee Related CN1134763C (zh) 1997-01-02 1998-01-04 改进的合成器和方法

Country Status (6)

Country Link
US (1) US6009395A (de)
EP (1) EP0852373B1 (de)
JP (1) JPH10222197A (de)
CN (1) CN1134763C (de)
DE (1) DE69831105T2 (de)
TW (1) TW371749B (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6728344B1 (en) * 1999-07-16 2004-04-27 Agere Systems Inc. Efficient compression of VROM messages for telephone answering devices
US7574351B2 (en) * 1999-12-14 2009-08-11 Texas Instruments Incorporated Arranging CELP information of one frame in a second packet
US6996522B2 (en) * 2001-03-13 2006-02-07 Industrial Technology Research Institute Celp-Based speech coding for fine grain scalability by altering sub-frame pitch-pulse
FI118067B (fi) * 2001-05-04 2007-06-15 Nokia Corp Menetelmä audiosignaalin pakkauksen purkamisessa, pakkauksen purkulaite, ja elektroniikkalaite
NZ562182A (en) * 2005-04-01 2010-03-26 Qualcomm Inc Method and apparatus for anti-sparseness filtering of a bandwidth extended speech prediction excitation signal
DK1875463T3 (en) * 2005-04-22 2019-01-28 Qualcomm Inc SYSTEMS, PROCEDURES AND APPARATUS FOR AMPLIFIER FACTOR GLOSSARY
US9058812B2 (en) * 2005-07-27 2015-06-16 Google Technology Holdings LLC Method and system for coding an information signal using pitch delay contour adjustment
CN101533639B (zh) * 2008-03-13 2011-09-14 华为技术有限公司 语音信号处理方法及装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE466824B (sv) * 1990-08-10 1992-04-06 Ericsson Telefon Ab L M Foerfarande foer kodning av en samplad talsignalvektor
US5784532A (en) * 1994-02-16 1998-07-21 Qualcomm Incorporated Application specific integrated circuit (ASIC) for performing rapid speech compression in a mobile telephone system
US5717823A (en) * 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
US5664055A (en) * 1995-06-07 1997-09-02 Lucent Technologies Inc. CS-ACELP speech compression system with adaptive pitch prediction filter gain based on a measure of periodicity

Also Published As

Publication number Publication date
DE69831105T2 (de) 2006-06-01
EP0852373A3 (de) 1999-06-16
TW371749B (en) 1999-10-11
DE69831105D1 (de) 2005-09-15
CN1186996A (zh) 1998-07-08
JPH10222197A (ja) 1998-08-21
EP0852373A2 (de) 1998-07-08
US6009395A (en) 1999-12-28
EP0852373B1 (de) 2005-08-10

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SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20040114

Termination date: 20140104